Extended Data Fig. 1: Wireless sensing module for dataset collection.

a, Wireless module including 1) FFC connector, 2) MUX/Amplifier, 3) Micro-controller, 4) Bluetooth Antenna, 5) Battery connector, 6) Power switch, 7) Low-dropout voltage regulator (LDO), and 8) Analog filter. b, Illustration of measurement setup where FFC connector bridges between wireless module and the 32-channel EMG device. c, Custom made FFC connector with 1 mm pitch.